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WM8946ECS/R Datasheet(PDF) 92 Page - Wolfson Microelectronics plc |
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WM8946ECS/R Datasheet(HTML) 92 Page - Wolfson Microelectronics plc |
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92 / 175 page  WM8946 Production Data w PD, July 2012, Rev 4.3 92 REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION R14 (0Eh) GPIO3 Control 15 GP3_DIR 1 GPIO3 Pin Direction 0 = Output 1 = Input 14:13 GP3_PULL [1:0] 10 GPIO3 pull-up / pull-down Enable 00 = no pull-up or pull-down 01 = pull-down 10 = pull-up 11 = reserved 12 GP3_INT_MOD E 0 GPIO3 Interrupt Mode 0 = GPIO interrupt is rising edge triggered (if GP3_POL=0) or falling edge triggered (if GP3_POL =1) 1 = GPIO interrupt is triggered on rising and falling edges 10 GP3_POL 0 GPIO3 Polarity Select 0 = Non-inverted 1 = Inverted 5 GP3_LVL 0 GPIO3 level. Write to this bit to set a GPIO output. Read from this bit to read GPIO input level. When GP3_POL is set, the register contains the opposite logic level to the external pin. 3:0 GP3_FN [3:0] 0000 GPIO3 Pin Function (see Table 60 for details) R15 (0Fh) GPIO4 Control 15 GP4_DIR 1 GPIO4 Pin Direction 0 = Output 1 = Input 14:13 GP4_PULL [1:0] 00 GPIO4 pull-up / pull-down Enable 00 = no pull-up or pull-down 01 = pull-down 10 = pull-up 11 = reserved 12 GP4_INT_MOD E 0 GPIO4 Interrupt Mode 0 = GPIO interrupt is rising edge triggered (if GP4_POL=0) or falling edge triggered (if GP4_POL =1) 1 = GPIO interrupt is triggered on rising and falling edges 10 GP4_POL 0 GPIO4 Polarity Select 0 = Non-inverted 1 = Inverted 5 GP4_LVL 0 GPIO4 level. Write to this bit to set a GPIO output. Read from this bit to read GPIO input level. When GP4_POL is set, the register contains the opposite logic level to the external pin. 3:0 GP4_FN [3:0] 0000 GPIO4 Pin Function (see Table 60 for details) Table 59 GPIO Control |
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